1 /*

     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:

    15  *  

    16  */

    17 

    18 #include <QStringListModel>

    19 

    20 #include "memspykernelobjecttypeview.h"

    21 #include "viewmanager.h"

    22 

    23 MemSpyKernelObjectTypeModel::MemSpyKernelObjectTypeModel(EngineWrapper &engine, QObject *parent) :

    24 	QAbstractListModel(parent),

    25 	mObjectTypes(engine.getKernelObjectTypes())

    26 {

    27     mKernelObjectNames << "Threads" << "Processes" << "Chunks" << "Libraries" <<

    28         "Semaphores" << "Mutexes" << "Timers" << "Servers" << "Sessions" << "Logical Devices" <<

    29         "Physical Devices" << "Logical Channels" << "Change Notifiers" << "Undertakers" <<

    30         "Message Queues" << "Property Refs." << "Conditional Vars.";

    31 }

    32 

    33 MemSpyKernelObjectTypeModel::~MemSpyKernelObjectTypeModel()

    34 {

    35 	qDeleteAll(mObjectTypes);

    36 }

    37 	

    38 int MemSpyKernelObjectTypeModel::rowCount(const QModelIndex &parent) const

    39 {

    40 	Q_UNUSED(parent);

    41 	return mObjectTypes.count();

    42 }

    43 	

    44 QVariant MemSpyKernelObjectTypeModel::data(const QModelIndex &index, int role) const

    45 {

    46 	if (role == Qt::DisplayRole) {

    47 		QStringList lines;

    48 		lines << mKernelObjectNames.at(index.row());

    49 		lines << QString("%1, %2").

    50 			arg(tr("%n item(s)", "", mObjectTypes.at(index.row())->count())).

    51 			arg(formatSize(mObjectTypes.at(index.row())->size()));

    52 		

    53 		return lines;

    54 	}

    55 	

    56 	if (role == Qt::UserRole)

    57 		return mObjectTypes.at(index.row())->id();

    58 	

    59 	return QVariant();

    60 }

    61 

    62 QString MemSpyKernelObjectTypeModel::formatSize(qint64 size) const

    63 {

    64 	// If < 1000K

    65 	if  (size < 1024000)

    66 		return QString("%1K").arg(size ? qBound<int>(1, (size + 512) >> 10, 999) : 0);

    67 	

    68 	// larger than 1M

    69 	double sizeInM = size / 1048576.;

    70 	return sizeInM >= 1000 ?

    71 		QString("%1G").arg(qMax<double>(1, sizeInM / 1024), 0, 'f', 1) :

    72 		QString("%1M").arg(qBound<double>(1, sizeInM, 999.9), 0, 'f', 1);

    73 }

    74 

    75 void MemSpyKernelObjectTypeView::initialize(const QVariantMap& params)

    76 {

    77 	setTitle(tr("Kernel Objects"));

    78 		

    79 	MemSpyView::initialize(params);

    80 			

    81 	mListView.setModel(new MemSpyKernelObjectTypeModel(mEngine, this));

    82 	

    83 	connect(&mListView, SIGNAL(activated(QModelIndex)), this, SLOT(itemClicked(QModelIndex)));

    84 }

    85 

    86 void MemSpyKernelObjectTypeView::itemClicked(const QModelIndex& index)

    87 {

    88 	QVariantMap map;

    89 	map.insert("type", index.row());

    90     mViewManager.showView(KernelObjectView, map);

    91 }

    92